Seiko Cal. 0774 - 634

The 0774-634 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0774 caliber with 25j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-6b623b82d26f]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1990

Related Models

• Seiko 5243-760
• Seiko 6318-118
• Seiko 6637-873
• Seiko 6154-322
• Seiko 4414-789
• Seiko 6662-402
• Seiko 0758-903
• Seiko 3811-993
• Seiko 4541-652
• Seiko 6228-139
• Seiko 4449-785
• Seiko 3878-835