Seiko Cal. 6153 - 644

The Seiko 6153-644 represents an important milestone in Seiko's 1965 lineup. Powered by the 6153 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-b46bf8b05574]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1965

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