Seiko Cal. 6357 - 931

The 6357-931 is a sought-after Solar piece from Seiko's golden era. Powered by the 6357 caliber with 27j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-0febdd95bdf9]

Also known as: World Timer, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1981

Related Models

• Seiko 7098-662
• Seiko 3813-720
• Seiko 4453-155
• Seiko 7126-877
• Seiko 0742-530
• Seiko 4438-473
• Seiko 3877-572
• Seiko 6227-282
• Seiko 7114-493
• Seiko 6339-210
• Seiko 7126-137
• Seiko 6693-831