Seiko Cal. 5616 - 304

The Seiko 5616-304 represents an important milestone in Seiko's 1970 lineup. Powered by the 5616 caliber with 28j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-ae32f5d0a643]

Also known as: Monster, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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